Property talk:P11035

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crossing number
crossing number for mathematical knots; the crossing number of a knot is the smallest number of crossings of any diagram of the knot. It is a knot invariant.

Represents	crossing number (Q2548661)
Data type	Quantity
Domain	knot (Q1188853) or link (Q1760728)
Allowed units	not applicable
Example	unknot (Q1188344) → 0 trefoil knot (Q168620) → 3 figure-eight loop (Q340952) → 4 Kinoshita–Terasaka knot (Q94827585) → 11
Source	https://knotinfo.math.indiana.edu/
See also	Dowker-Thistlethwaite notation (P8378)
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Chart by item creation date Minimum and maximum Items with highest numeric value Items with lowest numeric value Database reports/Constraint violations/P11035 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 4,407 Main statement 4,403 >99.9% of uses Qualifier 4 <0.1% of uses

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Scope is as main value (Q54828448): the property must be used by specified way only (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P11035#Scope, SPARQL

Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P11035#Entity types

Type “knot (Q1188853), link (Q1760728)”: item must contain property “instance of (P31)” with classes “knot (Q1188853), link (Q1760728)” or their subclasses (defined using subclass of (P279)). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P11035#Type Q1188853, Q1760728, SPARQL

Single value: this property generally contains a single value. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P11035#Single value, SPARQL

Integer: values should be integers (ie. they shouldn't have a fractional part) (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P11035#integer, SPARQL

Units: “novalue”: value unit must be one of listed. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P11035#Units

No bounds: values can't have any bounds (e.g. 1 not 1±0) (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P11035#No Bounds, SPARQL